WO2006030505A1 - Mos型電界効果トランジスタ及びその製造方法 - Google Patents
Mos型電界効果トランジスタ及びその製造方法 Download PDFInfo
- Publication number
- WO2006030505A1 WO2006030505A1 PCT/JP2004/013531 JP2004013531W WO2006030505A1 WO 2006030505 A1 WO2006030505 A1 WO 2006030505A1 JP 2004013531 W JP2004013531 W JP 2004013531W WO 2006030505 A1 WO2006030505 A1 WO 2006030505A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- effect transistor
- field effect
- silicon
- manufacturing
- mos
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 60
- 238000002353 field-effect transistor method Methods 0.000 title description 2
- 230000005669 field effect Effects 0.000 claims abstract description 129
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims abstract description 71
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 51
- 239000010703 silicon Substances 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 37
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 230000008569 process Effects 0.000 claims abstract description 10
- 238000005530 etching Methods 0.000 claims description 31
- 239000000758 substrate Substances 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000010408 film Substances 0.000 claims 9
- 238000005229 chemical vapour deposition Methods 0.000 claims 8
- 239000010409 thin film Substances 0.000 claims 1
- 230000004913 activation Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 36
- 238000010586 diagram Methods 0.000 description 34
- 239000011229 interlayer Substances 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 7
- 238000002513 implantation Methods 0.000 description 6
- 229910021332 silicide Inorganic materials 0.000 description 6
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000003071 parasitic effect Effects 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 229920005591 polysilicon Polymers 0.000 description 5
- 229910005883 NiSi Inorganic materials 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004335 scaling law Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/10—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1025—Channel region of field-effect devices
- H01L29/1029—Channel region of field-effect devices of field-effect transistors
- H01L29/1033—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure
- H01L29/1054—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure with a variation of the composition, e.g. channel with strained layer for increasing the mobility
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823807—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the channel structures, e.g. channel implants, halo or pocket implants, or channel materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66575—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate
- H01L29/6659—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate with both lightly doped source and drain extensions and source and drain self-aligned to the sides of the gate, e.g. lightly doped drain [LDD] MOSFET, double diffused drain [DDD] MOSFET
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66636—Lateral single gate silicon transistors with source or drain recessed by etching or first recessed by etching and then refilled
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7842—Field effect transistors with field effect produced by an insulated gate means for exerting mechanical stress on the crystal lattice of the channel region, e.g. using a flexible substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7842—Field effect transistors with field effect produced by an insulated gate means for exerting mechanical stress on the crystal lattice of the channel region, e.g. using a flexible substrate
- H01L29/7843—Field effect transistors with field effect produced by an insulated gate means for exerting mechanical stress on the crystal lattice of the channel region, e.g. using a flexible substrate the means being an applied insulating layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/665—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using self aligned silicidation, i.e. salicide
Definitions
- the present invention relates to a MOS field effect transistor in which strain is applied to one semiconductor layer of a heterojunction structure formed by stacking two types of semiconductor layers having different lattice constants, and a method for manufacturing the same.
- MOS Metal Oxide Semiconductor
- Patent Documents 1 and 2 by laminating silicon (Si) on a relaxed silicon germanium (SiGe) layer and applying a large strain, the electron mobility is greatly improved, and an nMOS type field effect transistor is formed. The characteristics are greatly improved.
- Patent Document 3 a stress is generated in the gate electrode and applied to the channel region of the silicon substrate, so that a MOS field effect transistor can be formed without using a strained silicon substrate.
- Patent Document 1 Japanese Patent Laid-Open No. 9 321307
- Patent Document 2 Japanese Patent Laid-Open No. 2001-332745
- Patent Document 3 Japanese Patent Laid-Open No. 2002-93921 Disclosure of the invention
- the present invention efficiently introduces strain into the channel Si layer using a structure in which SiGe having a large lattice constant is embedded directly under the channel, thereby allowing electrons or holes to be generated. It is an object of the present invention to provide a method for manufacturing a MOS field-effect transistor that can greatly improve mobility and realize high speed and low power consumption.
- Another object of the present invention is to provide a MOS field effect transistor that has high cost compatibility with existing processes that do not require significant changes in the process steps, and that has a cost advantage. To do.
- the present invention is characterized by the following.
- a stressor having a compound force having a lattice constant different from that of silicon is formed in a part of an active region separated by an insulating film formed on a silicon substrate. And a step of forming a silicon channel layer made of silicon over the stressor.
- a stressor made of a compound having a lattice constant different from that of silicon is partially formed in an active region separated by an insulating film formed on a silicon substrate.
- a silicon channel layer made of silicon is provided on the upper portion of the stressor.
- a structure in which SiGe having a large lattice constant is embedded directly under a channel is used to efficiently introduce strain into the channel Si layer, thereby allowing electrons or positive It is possible to provide a method for manufacturing a MOS field-effect transistor that can greatly improve the mobility of holes and achieve high speed and low power consumption.
- a MOS field effect transistor can be provided.
- Figure 1 shows a structure in which SiGe is embedded directly under the channel on a Si substrate.
- FIG. 2 is a diagram showing a structure in which sidewalls and parasitic resistance regions are provided in the configuration of FIG.
- a side wall 16 is formed on the gate electrode, and a stressor SiGe2 is formed within the range of the side wall 16. Further, by providing the parasitic resistance region 4 under the sidewall 16, strain is applied to the parasitic resistance region 4, and the parasitic resistance 4 is reduced.
- FIG. 3 is a view showing a structure in which a contact etching stop film is combined with the structures of FIGS.
- the contact etching stop film 10 includes, for example, a stressed SiN film (also referred to as “tensile SiN” or “tensile stress film”), which has a combined structure.
- a stressed SiN film also referred to as “tensile SiN” or “tensile stress film”
- tensile SiN also referred to as “tensile SiN” or “tensile stress film”
- tensile stress film By providing the SiGe stressor 2 inside the contact etching stop film 10, a compressive stress is applied in the vertical direction to the channel Si layer in a complementary manner by the SiGe stressor and tensile SiNIO, and a tensile strain is generated in the horizontal direction.
- the mobility of electrons in the mold is easily improved.
- the Si Ge stressor 2 on the inner side of the contact etching stop film 10 the mobility of electrons
- FIG. 4 is a diagram showing the structure of a CMOS field effect transistor according to the present invention.
- the thickness of the strained Si layer 1 on the SiGe stressor 2 is changed, and the SiZSiGe band is discontinuous.
- the thickness is such that more holes are present in the SiGe stressor 2 than in the strained Si layer, and a channel is formed in the SiGe layer 2.
- the strained Si layer 1 is designed to be about 4 nm and the SiGe stressor 2 is designed to be about 4 nm.
- the CMOS field effect transistor shown in FIG. 4 is manufactured by integrating the pMOS field effect transistor and the n MOS field effect transistor in which electrons are present in the strained Si layer 1.
- FIG. 5 is a diagram showing the structure of a CMOS field effect transistor according to the present invention.
- the SiGe stressor 2 is removed by etching, the lateral tensile strain is alleviated, and the deterioration of hole mobility is suppressed.
- the CMOS field effect transistor shown in FIG. 5 is fabricated by integrating the pMOS field effect transistor and the nMOS field effect transistor in which electrons are present in the strained Si layer.
- FIG. 6 and 7 are diagrams showing a manufacturing process of the nMOS type field effect transistor according to the present example.
- FIG. 6 (a) is a diagram showing a state in which a gate insulating film and a gate electrode are formed on the Si / SiGe laminated structure.
- FIG. 6 (b) shows a state in which the source Z drain region is etched.
- Fig. 6 (c) shows the state where Si is backfilled by CVD.
- FIG. 7 (d) is a diagram showing a state in which the sidewall is formed after the extension injection.
- FIG. 7 (e) is a diagram showing a state in which a contact etching stop film is formed.
- FIG. 7 (f) is a diagram showing a state in which an interlayer insulating film is formed, contact holes are formed, and electrodes are formed.
- a ZSiGe laminated structure is selectively formed in the active region, and a gate insulating film (SiON) 7 and a polysilicon gate electrode 3 are formed.
- the gate electrode 3 is masked to etch the source Z drain region, and then the Si is backfilled by CVD.
- a structure having the SiGe layer 2 only on the Si substrate under the gate electrode 3 can be formed.
- the sidewall 16 is once removed, punch-through stop and extension implantation are performed, and then the sidewall 16 is formed and implanted into the source / drain region.
- NiSi is formed as the silicide 11 after activating the implantation ion by the active annealing.
- a SiN film having tensile stress is formed as a contact etching stop film 10 thereon, then an interlayer insulating film 12 is formed, contact holes are formed, and electrodes are formed.
- the embedded SiGe stressor 2 and the contact etching stop film 10 can apply an in-plane tensile stress to the Si channel 1 in a synergistic manner, and a high mobility MOS field effect transistor can be manufactured. it can.
- FIG. 8 and 9 are diagrams showing the manufacturing process of the nMOS type field effect transistor according to this example.
- FIG. 8 (a) is a diagram showing a state in which a gate insulating film and a gate electrode are formed on the Si / SiGe laminated structure.
- FIG. 8 (b) is a diagram showing a state where the source Z drain region is etched using the gate and sidewalls as a mask.
- Fig. 8 (c) shows the state where Si is backfilled by CVD.
- FIG. 9 (d) is a diagram showing a state in which the sidewall is formed after the extension injection.
- FIG. 9 (e) shows a state in which a contact etching stop film is formed on the silicide.
- FIG. 9 (f) is a diagram showing a state in which an interlayer insulating film is formed, a contact hole is opened, and an electrode is formed.
- a Si ZSiGe laminated structure is selectively formed in the active region, and a gate insulating film (SiON) 7, polysilicon gate electrode 1 and side Wall 16 is formed.
- SiON gate insulating film
- the source Z and drain regions are etched using the gate electrode 1 and sidewall 16 as a mask, and then backfilled with Si using CVD.
- a structure having the SiGe stressor 2 can be formed in the silicon layer under the gate electrode and under the sidewall.
- the MOS field effect transistor fabricated in Example 1 when the gate insulating film 1 is thin, the gate electrode 1 and the silicon layer buried back by CVD in the source / drain region come into contact with each other, and there is a problem in that the yield decreases. By inserting the sidewall 16 between these, there is an advantage that the yield can be greatly improved.
- the sidewall 16 is formed, and implantation is performed in the source Z drain region.
- NiSi is formed as the silicide 11 after activating the implanted ions by the active annealing.
- An SiN film having a tensile stress for example, is formed as a contact etching stop film 10 thereon, an interlayer insulating film 12 is formed, a contact hole is opened, and an electrode 13 is formed.
- the embedded SiGe stressor 2 and the contact etching stop film 10 can synergistically apply an in-plane tensile stress to the Si channel 1 to produce a high mobility MOS field effect transistor. it can.
- a method of adjusting the aspect ratio of the SiGe layer is provided in order to balance the characteristics of the nMOS and pMOS fabricated in Examples 1 and 2.
- FIG. 10 is a diagram showing a method for adjusting the aspect ratio of the SiGe stressor.
- FIG. 10 (a) is a diagram showing a state where the source Z drain region is etched using the gate and sidewalls as a mask.
- FIG. 10 (b) shows a state where a part of the SiGe layer is selectively etched.
- FIG. 10 (c) is a diagram showing a state where the etched portion is backfilled with Si.
- the source Z drain region is etched using the sidewall 16 as a mask to adjust the aspect ratio of the SiGe stressor 2 in the silicon by etching the source Z drain region using the gate and sidewall as a mask.
- a part of the SiGe stressor 2 is selectively etched with a chlorine-based gas, and then backfilled with Si using CVD.
- the aspect ratio of the SiGe stressor 2 can be easily adjusted.
- a CMOS field effect transistor having the structure shown in FIG.
- a SiZSiGe multilayer structure is selectively formed in the active region.
- the Si layer 1 is made to be a channel in a state where a negative voltage is applied to the gate electrode and a SiGe stressor double-strength channel is applied to the gate electrode, and a positive voltage is applied to the gate electrode.
- the thickness of the Si layer 1 and the SiGe layer 2 is laminated so as to be about 4 nm, for example. This is possible because the energy gap is small in the conduction band and large in the valence band at the heterojunction of the SiZSiGe layer.
- a gate insulating film (SiON) 7, a polysilicon gate electrode 3, and sidewalls 16 are formed.
- the source Z drain region is etched using the polysilicon gate electrode 3 and the sidewall 16 as a mask, and then backfilled with Si using CVD.
- a structure having the SiGe layer 2 in the silicon layer under the gate electrode 3 and under the sidewall 16 can be formed.
- the sidewall 16 is formed again as shown in FIG. Make an injection.
- NiSi is formed as the silicide 11 after activating the injected ions with the active annealer.
- a contact etching stop film 10 for example, a SiN film having a tensile stress is formed.
- an interlayer insulating film 12 is formed, contact holes are formed, and an electrode 13 is formed.
- the embedded SiGe layer 2 and the contact etching stop film 10 can synergistically apply in-plane tensile stress to the Si channel.
- the SiGe layer with high hole mobility can be applied. 2 can be used as a channel, and a high-speed CMOS field effect transistor can be fabricated.
- CMOS field effect transistor having the structure shown in FIG. 5 is manufactured.
- FIG. 11 is a diagram showing a manufacturing process of a pMOS type field effect transistor.
- FIG. 11 (b) is a diagram showing a state in which the source Z drain region is etched.
- Figure l l (b,) shows the state where the SiGe layer is removed by selective etching.
- FIG. 11 (c) is a diagram showing a state of being backfilled with Si.
- a Si / SiGe laminated structure is selectively formed in the active region, and a gate insulating film (SiON) 7, a polysilicon gate electrode 3, and sidewalls 16 are formed.
- SiON gate insulating film
- FIG. 11B the source Z drain region is etched using the gate electrode 3 and the sidewall 16 as a mask.
- the nMOS region is covered with a resist, and the SiGe layer 2 in the pMOS region is removed by selective etching as shown in FIG. 11 (b), and then the resist is removed, and as shown in FIG. 11 (c), nMO The S and pMOS regions are backfilled with Si using CVD.
- a structure having the SiGe layer 2 under the gate electrode 3 and the sidewall 16 in the nMOS region can be formed.
- the sidewall 16 is formed again as shown in FIG. Implant into the source Z drain region.
- NiSi is formed as the silicide 11 after activating the injected ions with the active annealer.
- a SiN film 10 having a tensile stress is formed as a contact etching stop film 10.
- an interlayer insulating film 12 is formed, a contact hole is formed, and an electrode 13 is formed.
- in-plane tensile stress can be applied synergistically to the Si channel by the embedded SiGe layer 2 and the contact etcher stop film 10 only in the nMOS.
- distortion due to the SiGe layer 2 and the contact etching stop film 10 can be alleviated, and a high-speed CMOS field effect transistor that improves the hole mobility can be manufactured.
- FIG. L A diagram showing a structure in which SiGe is embedded directly under a channel on a Si substrate.
- FIG. 2 is a diagram showing a structure in which sidewalls and parasitic resistance regions are provided in the configuration of FIG.
- FIG. 3 is a diagram showing a structure in which a contact etching stop film is combined with the structures of FIGS.
- FIG. 4 is a diagram showing the structure of a CMOS field effect transistor according to the present invention.
- FIG. 5 is a view showing a structure of a CMOS field effect transistor according to the present invention.
- FIG. 6 is a diagram showing a manufacturing process of an nMOS field effect transistor according to the present example.
- (A) is the figure which shows the state which formed the gate insulating film and the gate electrode in the SiZSiGe laminated structure It is.
- (b) is a diagram showing a state where the source Z drain region is etched.
- (C) is a figure which shows the state which backfilled Si by CVD.
- FIG. 7 is a diagram showing a manufacturing process of the nMOS type field effect transistor according to the present example.
- D is a view showing a state in which a sidewall is formed after the extension injection.
- E is a figure which shows the state which formed the contact etching stop film
- F is a figure which shows the state which formed the interlayer insulation film, opened the contact hole, and formed the electrode
- FIG. 8 is a diagram showing a manufacturing process of an nMOS type field effect transistor according to the present example.
- A is a view showing a state in which a gate insulating film and a gate electrode are formed in a SiZSiGe laminated structure.
- B is a diagram showing a state in which the source Z drain region is etched using the gate and sidewalls as a mask.
- C is a figure which shows the state which backfilled Si by CVD.
- FIG. 9 is a diagram showing a manufacturing process of an nMOS field effect transistor according to the present example.
- D is a view showing a state in which a sidewall is formed after the extension injection.
- E is a figure which shows the state which formed the contact etching stop film
- F is a diagram showing a state in which an interlayer insulating film is formed, contact holes are formed, and electrodes are formed.
- FIG. 10 is a diagram showing a method for adjusting the aspect ratio of the SiGe layer.
- A is a figure which shows the state which etched the source Z drain area
- (b) is a diagram showing a state in which a part of the SiGe layer is selectively etched.
- C is a view showing a state where the etched portion is backfilled with Si.
- FIG. 11 A diagram showing a manufacturing process of a pMOS field-effect transistor.
- B is a diagram showing a state in which the source Z drain region is etched.
- B ′ is a view showing a state where the SiGe layer is removed by selective etching.
- C is a figure which shows the state back-filled with Si.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006534989A JP4888118B2 (ja) | 2004-09-16 | 2004-09-16 | 半導体装置の製造方法及び半導体装置 |
PCT/JP2004/013531 WO2006030505A1 (ja) | 2004-09-16 | 2004-09-16 | Mos型電界効果トランジスタ及びその製造方法 |
US11/717,204 US8067291B2 (en) | 2004-09-16 | 2007-03-13 | MOS field-effect transistor and manufacturing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/013531 WO2006030505A1 (ja) | 2004-09-16 | 2004-09-16 | Mos型電界効果トランジスタ及びその製造方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/717,204 Continuation US8067291B2 (en) | 2004-09-16 | 2007-03-13 | MOS field-effect transistor and manufacturing method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006030505A1 true WO2006030505A1 (ja) | 2006-03-23 |
Family
ID=36059772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/013531 WO2006030505A1 (ja) | 2004-09-16 | 2004-09-16 | Mos型電界効果トランジスタ及びその製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8067291B2 (ja) |
JP (1) | JP4888118B2 (ja) |
WO (1) | WO2006030505A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7839209B2 (en) | 2006-10-05 | 2010-11-23 | Nxp B.V. | Tunnel field effect transistor |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7445978B2 (en) * | 2005-05-04 | 2008-11-04 | Chartered Semiconductor Manufacturing, Ltd | Method to remove spacer after salicidation to enhance contact etch stop liner stress on MOS |
US8404538B2 (en) * | 2009-10-02 | 2013-03-26 | Taiwan Semiconductor Manufacturing Co., Ltd. | Device with self aligned stressor and method of making same |
US8999798B2 (en) * | 2009-12-17 | 2015-04-07 | Applied Materials, Inc. | Methods for forming NMOS EPI layers |
CN102110710A (zh) * | 2009-12-23 | 2011-06-29 | 中国科学院微电子研究所 | 形成有沟道应力层的半导体结构及其形成方法 |
US8368146B2 (en) | 2010-06-15 | 2013-02-05 | International Business Machines Corporation | FinFET devices |
CN102339852B (zh) | 2010-07-27 | 2013-03-27 | 中国科学院微电子研究所 | 半导体器件及其制造方法 |
CN102569391B (zh) * | 2010-12-24 | 2015-03-04 | 中国科学院微电子研究所 | Mos晶体管及其制作方法 |
CN102655092B (zh) * | 2011-03-01 | 2014-11-05 | 中芯国际集成电路制造(上海)有限公司 | 晶体管的制备方法 |
CN104576390B (zh) * | 2013-10-15 | 2018-04-03 | 中国科学院微电子研究所 | 一种mosfet结构及其制造方法 |
US9543323B2 (en) * | 2015-01-13 | 2017-01-10 | International Business Machines Corporation | Strain release in PFET regions |
US10043903B2 (en) | 2015-12-21 | 2018-08-07 | Samsung Electronics Co., Ltd. | Semiconductor devices with source/drain stress liner |
US9761722B1 (en) | 2016-06-24 | 2017-09-12 | International Business Machines Corporation | Isolation of bulk FET devices with embedded stressors |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002100762A (ja) * | 2000-09-22 | 2002-04-05 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JP2003045996A (ja) * | 2001-07-26 | 2003-02-14 | Toshiba Corp | 半導体装置 |
JP2003092399A (ja) * | 2001-09-18 | 2003-03-28 | Matsushita Electric Ind Co Ltd | 半導体装置及びその製造方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3376211B2 (ja) | 1996-05-29 | 2003-02-10 | 株式会社東芝 | 半導体装置、半導体基板の製造方法及び半導体装置の製造方法 |
JP3762136B2 (ja) * | 1998-04-24 | 2006-04-05 | 株式会社東芝 | 半導体装置 |
JP2000243854A (ja) * | 1999-02-22 | 2000-09-08 | Toshiba Corp | 半導体装置及びその製造方法 |
FR2791180B1 (fr) * | 1999-03-19 | 2001-06-15 | France Telecom | Dispositif semi-conducteur a courant de fuite reduit et son procede de fabrication |
JP3600174B2 (ja) | 2000-03-17 | 2004-12-08 | 株式会社東芝 | 半導体装置の製造方法及び半導体装置 |
JP2002093921A (ja) | 2000-09-11 | 2002-03-29 | Hitachi Ltd | 半導体装置の製造方法 |
FR2818012B1 (fr) * | 2000-12-12 | 2003-02-21 | St Microelectronics Sa | Dispositif semi-conducteur integre de memoire |
US6563152B2 (en) * | 2000-12-29 | 2003-05-13 | Intel Corporation | Technique to obtain high mobility channels in MOS transistors by forming a strain layer on an underside of a channel |
JP2002237590A (ja) * | 2001-02-09 | 2002-08-23 | Univ Tohoku | Mos型電界効果トランジスタ |
JP2003197906A (ja) * | 2001-12-28 | 2003-07-11 | Fujitsu Ltd | 半導体装置および相補型半導体装置 |
JP4546021B2 (ja) * | 2002-10-02 | 2010-09-15 | ルネサスエレクトロニクス株式会社 | 絶縁ゲート型電界効果型トランジスタ及び半導体装置 |
US6717216B1 (en) * | 2002-12-12 | 2004-04-06 | International Business Machines Corporation | SOI based field effect transistor having a compressive film in undercut area under the channel and a method of making the device |
US6882025B2 (en) * | 2003-04-25 | 2005-04-19 | Taiwan Semiconductor Manufacturing Company, Ltd. | Strained-channel transistor and methods of manufacture |
JP2005072464A (ja) * | 2003-08-27 | 2005-03-17 | Sharp Corp | 半導体基板の製造方法および半導体装置の製造方法 |
US6964911B2 (en) * | 2003-09-23 | 2005-11-15 | Freescale Semiconductor, Inc. | Method for forming a semiconductor device having isolation regions |
JP2005123604A (ja) * | 2003-09-25 | 2005-05-12 | Matsushita Electric Ind Co Ltd | 半導体装置及びその製造方法 |
US7037770B2 (en) * | 2003-10-20 | 2006-05-02 | International Business Machines Corporation | Method of manufacturing strained dislocation-free channels for CMOS |
US7057216B2 (en) * | 2003-10-31 | 2006-06-06 | International Business Machines Corporation | High mobility heterojunction complementary field effect transistors and methods thereof |
KR100598098B1 (ko) * | 2004-02-06 | 2006-07-07 | 삼성전자주식회사 | 매몰 절연 영역을 갖는 모오스 전계 효과 트랜지스터 및그 제조 방법 |
US6881635B1 (en) * | 2004-03-23 | 2005-04-19 | International Business Machines Corporation | Strained silicon NMOS devices with embedded source/drain |
-
2004
- 2004-09-16 WO PCT/JP2004/013531 patent/WO2006030505A1/ja active Application Filing
- 2004-09-16 JP JP2006534989A patent/JP4888118B2/ja not_active Expired - Fee Related
-
2007
- 2007-03-13 US US11/717,204 patent/US8067291B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002100762A (ja) * | 2000-09-22 | 2002-04-05 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JP2003045996A (ja) * | 2001-07-26 | 2003-02-14 | Toshiba Corp | 半導体装置 |
JP2003092399A (ja) * | 2001-09-18 | 2003-03-28 | Matsushita Electric Ind Co Ltd | 半導体装置及びその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7839209B2 (en) | 2006-10-05 | 2010-11-23 | Nxp B.V. | Tunnel field effect transistor |
Also Published As
Publication number | Publication date |
---|---|
JP4888118B2 (ja) | 2012-02-29 |
US20070152277A1 (en) | 2007-07-05 |
US8067291B2 (en) | 2011-11-29 |
JPWO2006030505A1 (ja) | 2008-05-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6951903B2 (ja) | 半導体素子のための拡張領域 | |
US8067291B2 (en) | MOS field-effect transistor and manufacturing method thereof | |
JP5204645B2 (ja) | 強化した応力伝送効率でコンタクト絶縁層を形成する技術 | |
US7399663B2 (en) | Embedded strain layer in thin SOI transistors and a method of forming the same | |
US7435657B2 (en) | Method of fabricating transistor including buried insulating layer and transistor fabricated using the same | |
US7754571B2 (en) | Method for forming a strained channel in a semiconductor device | |
US8159030B2 (en) | Strained MOS device and methods for its fabrication | |
US7514309B2 (en) | Methods to selectively protect NMOS regions, PMOS regions, and gate layers during EPI process | |
US6869866B1 (en) | Silicide proximity structures for CMOS device performance improvements | |
US8048765B2 (en) | Method for fabricating a MOS transistor with source/well heterojunction and related structure | |
JP2006049897A (ja) | 超薄ボディ電界効果トランジスタ(fet)デバイスの製造方法ならびにそれによって製造された超薄ボディfetデバイス(超薄ボディ超急峻レトログレード・ウェル(ssrw)fetデバイス) | |
US20100078687A1 (en) | Method for Transistor Fabrication with Optimized Performance | |
JP2006121074A (ja) | 半導体素子及びその製造方法 | |
US20130285117A1 (en) | CMOS WITH SiGe CHANNEL PFETs AND METHOD OF FABRICATION | |
US20090065807A1 (en) | Semiconductor device and fabrication method for the same | |
US20090215277A1 (en) | Dual contact etch stop layer process | |
US20090315115A1 (en) | Implantation for shallow trench isolation (STI) formation and for stress for transistor performance enhancement | |
US7675118B2 (en) | Semiconductor structure with enhanced performance using a simplified dual stress liner configuration | |
US7585773B2 (en) | Non-conformal stress liner for enhanced MOSFET performance | |
CN103066122A (zh) | Mosfet及其制造方法 | |
US20080173950A1 (en) | Structure and Method of Fabricating Electrical Structure Having Improved Charge Mobility | |
US7898036B2 (en) | Semiconductor device and process for manufacturing the same | |
US7863141B2 (en) | Integration for buried epitaxial stressor | |
JP2008053638A (ja) | 半導体素子及びその製造方法 | |
US20080182372A1 (en) | Method of forming disposable spacers for improved stressed nitride film effectiveness |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2006534989 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 11717204 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWP | Wipo information: published in national office |
Ref document number: 11717204 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase |